-
-var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
- "(?:[\\w*_-]|\\\\.)" :
- "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
- quickChild = new RegExp("^>\\s*(" + chars + "+)"),
- quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
- quickClass = new RegExp("^([#.]?)(" + chars + "*)");
-
-jQuery.extend({
- expr: {
- "": function(a,i,m){return m[2]=="*"||jQuery.nodeName(a,m[2]);},
- "#": function(a,i,m){return a.getAttribute("id")==m[2];},
- ":": {
- // Position Checks
- lt: function(a,i,m){return i<m[3]-0;},
- gt: function(a,i,m){return i>m[3]-0;},
- nth: function(a,i,m){return m[3]-0==i;},
- eq: function(a,i,m){return m[3]-0==i;},
- first: function(a,i){return i==0;},
- last: function(a,i,m,r){return i==r.length-1;},
- even: function(a,i){return i%2==0;},
- odd: function(a,i){return i%2;},
-
- // Child Checks
- "first-child": function(a){return a.parentNode.getElementsByTagName("*")[0]==a;},
- "last-child": function(a){return jQuery.nth(a.parentNode.lastChild,1,"previousSibling")==a;},
- "only-child": function(a){return !jQuery.nth(a.parentNode.lastChild,2,"previousSibling");},
-
- // Parent Checks
- parent: function(a){return a.firstChild;},
- empty: function(a){return !a.firstChild;},
-
- // Text Check
- contains: function(a,i,m){return (a.textContent||a.innerText||jQuery(a).text()||"").indexOf(m[3])>=0;},
-
- // Visibility
- visible: function(a){return "hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden";},
- hidden: function(a){return "hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden";},
-
- // Form attributes
- enabled: function(a){return !a.disabled;},
- disabled: function(a){return a.disabled;},
- checked: function(a){return a.checked;},
- selected: function(a){return a.selected||jQuery.attr(a,"selected");},
-
- // Form elements
- text: function(a){return "text"==a.type;},
- radio: function(a){return "radio"==a.type;},
- checkbox: function(a){return "checkbox"==a.type;},
- file: function(a){return "file"==a.type;},
- password: function(a){return "password"==a.type;},
- submit: function(a){return "submit"==a.type;},
- image: function(a){return "image"==a.type;},
- reset: function(a){return "reset"==a.type;},
- button: function(a){return "button"==a.type||jQuery.nodeName(a,"button");},
- input: function(a){return /input|select|textarea|button/i.test(a.nodeName);},
-
- // :has()
- has: function(a,i,m){return jQuery.find(m[3],a).length;},
-
- // :header
- header: function(a){return /h\d/i.test(a.nodeName);},
-
- // :animated
- animated: function(a){return jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length;}
- }
- },
-
- // The regular expressions that power the parsing engine
- parse: [
- // Match: [@value='test'], [@foo]
- /^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
-
- // Match: :contains('foo')
- /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
-
- // Match: :even, :last-chlid, #id, .class
- new RegExp("^([:.#]*)(" + chars + "+)")
- ],
-
- multiFilter: function( expr, elems, not ) {
- var old, cur = [];
-
- while ( expr && expr != old ) {
- old = expr;
- var f = jQuery.filter( expr, elems, not );
- expr = f.t.replace(/^\s*,\s*/, "" );
- cur = not ? elems = f.r : jQuery.merge( cur, f.r );
- }
-
- return cur;
- },
-
- find: function( t, context ) {
- // Quickly handle non-string expressions
- if ( typeof t != "string" )
- return [ t ];
-
- // check to make sure context is a DOM element or a document
- if ( context && context.nodeType != 1 && context.nodeType != 9)
- return [ ];
-
- // Set the correct context (if none is provided)
- context = context || document;
-
- // Initialize the search
- var ret = [context], done = [], last, nodeName;
-
- // Continue while a selector expression exists, and while
- // we're no longer looping upon ourselves
- while ( t && last != t ) {
- var r = [];
- last = t;
-
- t = jQuery.trim(t);
-
- var foundToken = false;
-
- // An attempt at speeding up child selectors that
- // point to a specific element tag
- var re = quickChild;
- var m = re.exec(t);
-
- if ( m ) {
- nodeName = m[1].toUpperCase();
-
- // Perform our own iteration and filter
- for ( var i = 0; ret[i]; i++ )
- for ( var c = ret[i].firstChild; c; c = c.nextSibling )
- if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )
- r.push( c );
-
- ret = r;
- t = t.replace( re, "" );
- if ( t.indexOf(" ") == 0 ) continue;
- foundToken = true;
- } else {
- re = /^([>+~])\s*(\w*)/i;
-
- if ( (m = re.exec(t)) != null ) {
- r = [];
-
- var merge = {};
- nodeName = m[2].toUpperCase();
- m = m[1];
-
- for ( var j = 0, rl = ret.length; j < rl; j++ ) {
- var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
- for ( ; n; n = n.nextSibling )
- if ( n.nodeType == 1 ) {
- var id = jQuery.data(n);
-
- if ( m == "~" && merge[id] ) break;
-
- if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {
- if ( m == "~" ) merge[id] = true;
- r.push( n );
- }
-
- if ( m == "+" ) break;
- }
- }
-
- ret = r;
-
- // And remove the token
- t = jQuery.trim( t.replace( re, "" ) );
- foundToken = true;
- }
- }
-
- // See if there's still an expression, and that we haven't already
- // matched a token
- if ( t && !foundToken ) {
- // Handle multiple expressions
- if ( !t.indexOf(",") ) {
- // Clean the result set
- if ( context == ret[0] ) ret.shift();
-
- // Merge the result sets
- done = jQuery.merge( done, ret );
-
- // Reset the context
- r = ret = [context];
-
- // Touch up the selector string
- t = " " + t.substr(1,t.length);
-
- } else {
- // Optimize for the case nodeName#idName
- var re2 = quickID;
- var m = re2.exec(t);
-
- // Re-organize the results, so that they're consistent
- if ( m ) {
- m = [ 0, m[2], m[3], m[1] ];
-
- } else {
- // Otherwise, do a traditional filter check for
- // ID, class, and element selectors
- re2 = quickClass;
- m = re2.exec(t);
- }
-
- m[2] = m[2].replace(/\\/g, "");
-
- var elem = ret[ret.length-1];
-
- // Try to do a global search by ID, where we can
- if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
- // Optimization for HTML document case
- var oid = elem.getElementById(m[2]);
-
- // Do a quick check for the existence of the actual ID attribute
- // to avoid selecting by the name attribute in IE
- // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
- if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
- oid = jQuery('[@id="'+m[2]+'"]', elem)[0];
-
- // Do a quick check for node name (where applicable) so
- // that div#foo searches will be really fast
- ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
- } else {
- // We need to find all descendant elements
- for ( var i = 0; ret[i]; i++ ) {
- // Grab the tag name being searched for
- var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];
-
- // Handle IE7 being really dumb about <object>s
- if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
- tag = "param";
-
- r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
- }
-
- // It's faster to filter by class and be done with it
- if ( m[1] == "." )
- r = jQuery.classFilter( r, m[2] );
-
- // Same with ID filtering
- if ( m[1] == "#" ) {
- var tmp = [];
-
- // Try to find the element with the ID
- for ( var i = 0; r[i]; i++ )
- if ( r[i].getAttribute("id") == m[2] ) {
- tmp = [ r[i] ];
- break;
- }
-
- r = tmp;
- }
-
- ret = r;
- }
-
- t = t.replace( re2, "" );
- }
-
- }
-
- // If a selector string still exists
- if ( t ) {
- // Attempt to filter it
- var val = jQuery.filter(t,r);
- ret = r = val.r;
- t = jQuery.trim(val.t);
- }
- }
-
- // An error occurred with the selector;
- // just return an empty set instead
- if ( t )
- ret = [];
-
- // Remove the root context
- if ( ret && context == ret[0] )
- ret.shift();
-
- // And combine the results
- done = jQuery.merge( done, ret );
-
- return done;
- },
-
- classFilter: function(r,m,not){
- m = " " + m + " ";
- var tmp = [];
- for ( var i = 0; r[i]; i++ ) {
- var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;
- if ( !not && pass || not && !pass )
- tmp.push( r[i] );
- }
- return tmp;
- },
-
- filter: function(t,r,not) {
- var last;
-
- // Look for common filter expressions
- while ( t && t != last ) {
- last = t;
-
- var p = jQuery.parse, m;
-
- for ( var i = 0; p[i]; i++ ) {
- m = p[i].exec( t );
-
- if ( m ) {
- // Remove what we just matched
- t = t.substring( m[0].length );
-
- m[2] = m[2].replace(/\\/g, "");
- break;
- }
- }
-
- if ( !m )
- break;
-
- // :not() is a special case that can be optimized by
- // keeping it out of the expression list
- if ( m[1] == ":" && m[2] == "not" )
- // optimize if only one selector found (most common case)
- r = isSimple.test( m[3] ) ?
- jQuery.filter(m[3], r, true).r :
- jQuery( r ).not( m[3] );
-
- // We can get a big speed boost by filtering by class here
- else if ( m[1] == "." )
- r = jQuery.classFilter(r, m[2], not);
-
- else if ( m[1] == "[" ) {
- var tmp = [], type = m[3];
-
- for ( var i = 0, rl = r.length; i < rl; i++ ) {
- var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
-
- if ( z == null || /href|src|selected/.test(m[2]) )
- z = jQuery.attr(a,m[2]) || '';
-
- if ( (type == "" && !!z ||
- type == "=" && z == m[5] ||
- type == "!=" && z != m[5] ||
- type == "^=" && z && !z.indexOf(m[5]) ||
- type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
- (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
- tmp.push( a );
- }
-
- r = tmp;
-
- // We can get a speed boost by handling nth-child here
- } else if ( m[1] == ":" && m[2] == "nth-child" ) {
- var merge = {}, tmp = [],
- // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
- test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
- m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
- !/\D/.test(m[3]) && "0n+" + m[3] || m[3]),
- // calculate the numbers (first)n+(last) including if they are negative
- first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;
-
- // loop through all the elements left in the jQuery object
- for ( var i = 0, rl = r.length; i < rl; i++ ) {
- var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);
-
- if ( !merge[id] ) {
- var c = 1;
-
- for ( var n = parentNode.firstChild; n; n = n.nextSibling )
- if ( n.nodeType == 1 )
- n.nodeIndex = c++;
-
- merge[id] = true;
- }
-
- var add = false;
-
- if ( first == 0 ) {
- if ( node.nodeIndex == last )
- add = true;
- } else if ( (node.nodeIndex - last) % first == 0 && (node.nodeIndex - last) / first >= 0 )
- add = true;
-
- if ( add ^ not )
- tmp.push( node );
- }
-
- r = tmp;
-
- // Otherwise, find the expression to execute
- } else {
- var fn = jQuery.expr[ m[1] ];
- if ( typeof fn == "object" )
- fn = fn[ m[2] ];
-
- if ( typeof fn == "string" )
- fn = eval("false||function(a,i){return " + fn + ";}");
-
- // Execute it against the current filter
- r = jQuery.grep( r, function(elem, i){
- return fn(elem, i, m, r);
- }, not );
- }
- }
-
- // Return an array of filtered elements (r)
- // and the modified expression string (t)
- return { r: r, t: t };
- },
-
- dir: function( elem, dir ){
- var matched = [];
- var cur = elem[dir];
- while ( cur && cur != document ) {
- if ( cur.nodeType == 1 )
- matched.push( cur );
- cur = cur[dir];
- }
- return matched;
- },
-
- nth: function(cur,result,dir,elem){
- result = result || 1;
- var num = 0;
-
- for ( ; cur; cur = cur[dir] )
- if ( cur.nodeType == 1 && ++num == result )
- break;
-
- return cur;
- },
-
- sibling: function( n, elem ) {
- var r = [];
-
- for ( ; n; n = n.nextSibling ) {
- if ( n.nodeType == 1 && (!elem || n != elem) )
- r.push( n );
- }
-
- return r;
- }
-});
-
+\r
+var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?\r
+ "(?:[\\w*_-]|\\\\.)" :\r
+ "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",\r
+ quickChild = new RegExp("^>\\s*(" + chars + "+)"),\r
+ quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),\r
+ quickClass = new RegExp("^([#.]?)(" + chars + "*)");\r
+\r
+jQuery.extend({\r
+ expr: {\r
+ "": function(a,i,m){return m[2]=="*"||jQuery.nodeName(a,m[2]);},\r
+ "#": function(a,i,m){return a.getAttribute("id")==m[2];},\r
+ ":": {\r
+ // Position Checks\r
+ lt: function(a,i,m){return i<m[3]-0;},\r
+ gt: function(a,i,m){return i>m[3]-0;},\r
+ nth: function(a,i,m){return m[3]-0==i;},\r
+ eq: function(a,i,m){return m[3]-0==i;},\r
+ first: function(a,i){return i==0;},\r
+ last: function(a,i,m,r){return i==r.length-1;},\r
+ even: function(a,i){return i%2==0;},\r
+ odd: function(a,i){return i%2;},\r
+\r
+ // Child Checks\r
+ "first-child": function(a){return a.parentNode.getElementsByTagName("*")[0]==a;},\r
+ "last-child": function(a){return jQuery.nth(a.parentNode.lastChild,1,"previousSibling")==a;},\r
+ "only-child": function(a){return !jQuery.nth(a.parentNode.lastChild,2,"previousSibling");},\r
+\r
+ // Parent Checks\r
+ parent: function(a){return a.firstChild;},\r
+ empty: function(a){return !a.firstChild;},\r
+\r
+ // Text Check\r
+ contains: function(a,i,m){return (a.textContent||a.innerText||jQuery(a).text()||"").indexOf(m[3])>=0;},\r
+\r
+ // Visibility\r
+ visible: function(a){return "hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden";},\r
+ hidden: function(a){return "hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden";},\r
+\r
+ // Form attributes\r
+ enabled: function(a){return !a.disabled;},\r
+ disabled: function(a){return a.disabled;},\r
+ checked: function(a){return a.checked;},\r
+ selected: function(a){return a.selected||jQuery.attr(a,"selected");},\r
+\r
+ // Form elements\r
+ text: function(a){return "text"==a.type;},\r
+ radio: function(a){return "radio"==a.type;},\r
+ checkbox: function(a){return "checkbox"==a.type;},\r
+ file: function(a){return "file"==a.type;},\r
+ password: function(a){return "password"==a.type;},\r
+ submit: function(a){return "submit"==a.type;},\r
+ image: function(a){return "image"==a.type;},\r
+ reset: function(a){return "reset"==a.type;},\r
+ button: function(a){return "button"==a.type||jQuery.nodeName(a,"button");},\r
+ input: function(a){return /input|select|textarea|button/i.test(a.nodeName);},\r
+\r
+ // :has()\r
+ has: function(a,i,m){return jQuery.find(m[3],a).length;},\r
+\r
+ // :header\r
+ header: function(a){return /h\d/i.test(a.nodeName);},\r
+\r
+ // :animated\r
+ animated: function(a){return jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length;}\r
+ }\r
+ },\r
+ \r
+ // The regular expressions that power the parsing engine\r
+ parse: [\r
+ // Match: [@value='test'], [@foo]\r
+ /^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,\r
+\r
+ // Match: :contains('foo')\r
+ /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,\r
+\r
+ // Match: :even, :last-chlid, #id, .class\r
+ new RegExp("^([:.#]*)(" + chars + "+)")\r
+ ],\r
+\r
+ multiFilter: function( expr, elems, not ) {\r
+ var old, cur = [];\r
+\r
+ while ( expr && expr != old ) {\r
+ old = expr;\r
+ var f = jQuery.filter( expr, elems, not );\r
+ expr = f.t.replace(/^\s*,\s*/, "" );\r
+ cur = not ? elems = f.r : jQuery.merge( cur, f.r );\r
+ }\r
+\r
+ return cur;\r
+ },\r
+\r
+ find: function( t, context ) {\r
+ // Quickly handle non-string expressions\r
+ if ( typeof t != "string" )\r
+ return [ t ];\r
+\r
+ // check to make sure context is a DOM element or a document\r
+ if ( context && context.nodeType != 1 && context.nodeType != 9)\r
+ return [ ];\r
+\r
+ // Set the correct context (if none is provided)\r
+ context = context || document;\r
+\r
+ // Initialize the search\r
+ var ret = [context], done = [], last, nodeName;\r
+\r
+ // Continue while a selector expression exists, and while\r
+ // we're no longer looping upon ourselves\r
+ while ( t && last != t ) {\r
+ var r = [];\r
+ last = t;\r
+\r
+ t = jQuery.trim(t);\r
+\r
+ var foundToken = false;\r
+\r
+ // An attempt at speeding up child selectors that\r
+ // point to a specific element tag\r
+ var re = quickChild;\r
+ var m = re.exec(t);\r
+\r
+ if ( m ) {\r
+ nodeName = m[1].toUpperCase();\r
+\r
+ // Perform our own iteration and filter\r
+ for ( var i = 0; ret[i]; i++ )\r
+ for ( var c = ret[i].firstChild; c; c = c.nextSibling )\r
+ if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )\r
+ r.push( c );\r
+\r
+ ret = r;\r
+ t = t.replace( re, "" );\r
+ if ( t.indexOf(" ") == 0 ) continue;\r
+ foundToken = true;\r
+ } else {\r
+ re = /^([>+~])\s*(\w*)/i;\r
+\r
+ if ( (m = re.exec(t)) != null ) {\r
+ r = [];\r
+\r
+ var merge = {};\r
+ nodeName = m[2].toUpperCase();\r
+ m = m[1];\r
+\r
+ for ( var j = 0, rl = ret.length; j < rl; j++ ) {\r
+ var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;\r
+ for ( ; n; n = n.nextSibling )\r
+ if ( n.nodeType == 1 ) {\r
+ var id = jQuery.data(n);\r
+\r
+ if ( m == "~" && merge[id] ) break;\r
+ \r
+ if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {\r
+ if ( m == "~" ) merge[id] = true;\r
+ r.push( n );\r
+ }\r
+ \r
+ if ( m == "+" ) break;\r
+ }\r
+ }\r
+\r
+ ret = r;\r
+\r
+ // And remove the token\r
+ t = jQuery.trim( t.replace( re, "" ) );\r
+ foundToken = true;\r
+ }\r
+ }\r
+\r
+ // See if there's still an expression, and that we haven't already\r
+ // matched a token\r
+ if ( t && !foundToken ) {\r
+ // Handle multiple expressions\r
+ if ( !t.indexOf(",") ) {\r
+ // Clean the result set\r
+ if ( context == ret[0] ) ret.shift();\r
+\r
+ // Merge the result sets\r
+ done = jQuery.merge( done, ret );\r
+\r
+ // Reset the context\r
+ r = ret = [context];\r
+\r
+ // Touch up the selector string\r
+ t = " " + t.substr(1,t.length);\r
+\r
+ } else {\r
+ // Optimize for the case nodeName#idName\r
+ var re2 = quickID;\r
+ var m = re2.exec(t);\r
+ \r
+ // Re-organize the results, so that they're consistent\r
+ if ( m ) {\r
+ m = [ 0, m[2], m[3], m[1] ];\r
+\r
+ } else {\r
+ // Otherwise, do a traditional filter check for\r
+ // ID, class, and element selectors\r
+ re2 = quickClass;\r
+ m = re2.exec(t);\r
+ }\r
+\r
+ m[2] = m[2].replace(/\\/g, "");\r
+\r
+ var elem = ret[ret.length-1];\r
+\r
+ // Try to do a global search by ID, where we can\r
+ if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {\r
+ // Optimization for HTML document case\r
+ var oid = elem.getElementById(m[2]);\r
+ \r
+ // Do a quick check for the existence of the actual ID attribute\r
+ // to avoid selecting by the name attribute in IE\r
+ // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form\r
+ if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )\r
+ oid = jQuery('[@id="'+m[2]+'"]', elem)[0];\r
+\r
+ // Do a quick check for node name (where applicable) so\r
+ // that div#foo searches will be really fast\r
+ ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];\r
+ } else {\r
+ // We need to find all descendant elements\r
+ for ( var i = 0; ret[i]; i++ ) {\r
+ // Grab the tag name being searched for\r
+ var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];\r
+\r
+ // Handle IE7 being really dumb about <object>s\r
+ if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )\r
+ tag = "param";\r
+\r
+ r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));\r
+ }\r
+\r
+ // It's faster to filter by class and be done with it\r
+ if ( m[1] == "." )\r
+ r = jQuery.classFilter( r, m[2] );\r
+\r
+ // Same with ID filtering\r
+ if ( m[1] == "#" ) {\r
+ var tmp = [];\r
+\r
+ // Try to find the element with the ID\r
+ for ( var i = 0; r[i]; i++ )\r
+ if ( r[i].getAttribute("id") == m[2] ) {\r
+ tmp = [ r[i] ];\r
+ break;\r
+ }\r
+\r
+ r = tmp;\r
+ }\r
+\r
+ ret = r;\r
+ }\r
+\r
+ t = t.replace( re2, "" );\r
+ }\r
+\r
+ }\r
+\r
+ // If a selector string still exists\r
+ if ( t ) {\r
+ // Attempt to filter it\r
+ var val = jQuery.filter(t,r);\r
+ ret = r = val.r;\r
+ t = jQuery.trim(val.t);\r
+ }\r
+ }\r
+\r
+ // An error occurred with the selector;\r
+ // just return an empty set instead\r
+ if ( t )\r
+ ret = [];\r
+\r
+ // Remove the root context\r
+ if ( ret && context == ret[0] )\r
+ ret.shift();\r
+\r
+ // And combine the results\r
+ done = jQuery.merge( done, ret );\r
+\r
+ return done;\r
+ },\r
+\r
+ classFilter: function(r,m,not){\r
+ m = " " + m + " ";\r
+ var tmp = [];\r
+ for ( var i = 0; r[i]; i++ ) {\r
+ var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;\r
+ if ( !not && pass || not && !pass )\r
+ tmp.push( r[i] );\r
+ }\r
+ return tmp;\r
+ },\r
+\r
+ filter: function(t,r,not) {\r
+ var last;\r
+\r
+ // Look for common filter expressions\r
+ while ( t && t != last ) {\r
+ last = t;\r
+\r
+ var p = jQuery.parse, m;\r
+\r
+ for ( var i = 0; p[i]; i++ ) {\r
+ m = p[i].exec( t );\r
+\r
+ if ( m ) {\r
+ // Remove what we just matched\r
+ t = t.substring( m[0].length );\r
+\r
+ m[2] = m[2].replace(/\\/g, "");\r
+ break;\r
+ }\r
+ }\r
+\r
+ if ( !m )\r
+ break;\r
+\r
+ // :not() is a special case that can be optimized by\r
+ // keeping it out of the expression list\r
+ if ( m[1] == ":" && m[2] == "not" )\r
+ // optimize if only one selector found (most common case)\r
+ r = isSimple.test( m[3] ) ?\r
+ jQuery.filter(m[3], r, true).r :\r
+ jQuery( r ).not( m[3] );\r
+\r
+ // We can get a big speed boost by filtering by class here\r
+ else if ( m[1] == "." )\r
+ r = jQuery.classFilter(r, m[2], not);\r
+\r
+ else if ( m[1] == "[" ) {\r
+ var type = m[3];\r
+ \r
+ // special case, filter by exact name\r
+ if ( !not && m[2] == 'name' && type == '=' )\r
+ r = jQuery.grep( document.getElementsByName(m[5]), function(elem){\r
+ return jQuery.inArray( elem, r ) != -1; \r
+ });\r
+ else {\r
+ for ( var i = 0, rl = r.length, tmp = []; i < rl; i++ ) {\r
+ var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];\r
+ \r
+ if ( z == null || /href|src|selected/.test(m[2]) )\r
+ z = jQuery.attr(a,m[2]) || '';\r
+ \r
+ if ( (type == "" && !!z ||\r
+ type == "=" && z == m[5] ||\r
+ type == "!=" && z != m[5] ||\r
+ type == "^=" && z && !z.indexOf(m[5]) ||\r
+ type == "$=" && z.substr(z.length - m[5].length) == m[5] ||\r
+ (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )\r
+ tmp.push( a );\r
+ } \r
+ r = tmp;\r
+ }\r
+\r
+ // We can get a speed boost by handling nth-child here\r
+ } else if ( m[1] == ":" && m[2] == "nth-child" ) {\r
+ var merge = {}, tmp = [],\r
+ // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'\r
+ test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(\r
+ m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||\r
+ !/\D/.test(m[3]) && "0n+" + m[3] || m[3]),\r
+ // calculate the numbers (first)n+(last) including if they are negative\r
+ first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;\r
+ \r
+ // loop through all the elements left in the jQuery object\r
+ for ( var i = 0, rl = r.length; i < rl; i++ ) {\r
+ var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);\r
+\r
+ if ( !merge[id] ) {\r
+ var c = 1;\r
+\r
+ for ( var n = parentNode.firstChild; n; n = n.nextSibling )\r
+ if ( n.nodeType == 1 )\r
+ n.nodeIndex = c++;\r
+\r
+ merge[id] = true;\r
+ }\r
+\r
+ var add = false;\r
+\r
+ if ( first == 0 ) {\r
+ if ( node.nodeIndex == last )\r
+ add = true;\r
+ } else if ( (node.nodeIndex - last) % first == 0 && (node.nodeIndex - last) / first >= 0 )\r
+ add = true;\r
+\r
+ if ( add ^ not )\r
+ tmp.push( node );\r
+ }\r
+\r
+ r = tmp;\r
+\r
+ // Otherwise, find the expression to execute\r
+ } else {\r
+ var fn = jQuery.expr[ m[1] ];\r
+ if ( typeof fn == "object" )\r
+ fn = fn[ m[2] ];\r
+\r
+ if ( typeof fn == "string" )\r
+ fn = eval("false||function(a,i){return " + fn + ";}");\r
+\r
+ // Execute it against the current filter\r
+ r = jQuery.grep( r, function(elem, i){\r
+ return fn(elem, i, m, r);\r
+ }, not );\r
+ }\r
+ }\r
+\r
+ // Return an array of filtered elements (r)\r
+ // and the modified expression string (t)\r
+ return { r: r, t: t };\r
+ },\r
+\r
+ dir: function( elem, dir ){\r
+ var matched = [];\r
+ var cur = elem[dir];\r
+ while ( cur && cur != document ) {\r
+ if ( cur.nodeType == 1 )\r
+ matched.push( cur );\r
+ cur = cur[dir];\r
+ }\r
+ return matched;\r
+ },\r
+ \r
+ nth: function(cur,result,dir,elem){\r
+ result = result || 1;\r
+ var num = 0;\r
+\r
+ for ( ; cur; cur = cur[dir] )\r
+ if ( cur.nodeType == 1 && ++num == result )\r
+ break;\r
+\r
+ return cur;\r
+ },\r
+ \r
+ sibling: function( n, elem ) {\r
+ var r = [];\r
+\r
+ for ( ; n; n = n.nextSibling ) {\r
+ if ( n.nodeType == 1 && (!elem || n != elem) )\r
+ r.push( n );\r
+ }\r
+\r
+ return r;\r
+ }\r
+});\r
+\r
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